Taiwan Semiconductor Corporation ES2LJ
- Part No.:
- ES2LJ
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
ES2LJ.pdf
- Description:
- DIODE GEN PURP 600V 2A DO214AA
- Quantity:
- Payment:

- Shipping:

Inventory:6,000
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Product details
Overview
ES2LJ from Taiwan Semiconductor is a 2 A, 600 V super fast recovery surface-mount rectifier in DO-214AA (SMB) package, featuring 35 ns reverse recovery time, 1.70 V max forward voltage at 2 A and 25°C, and 50 A surge current capability - deployed in high-frequency switching mode power supplies for telecom and computing infrastructure.
For engineers reviewing the ES2LJ datasheet, ES2LJ pinout, ES2LJ application, or ES2LJ equivalent, key selection criteria include peak reverse voltage rating, forward voltage drop under load, thermal resistance (RθJL = 35°C/W), and moisture sensitivity level (MSL 1), all critical for high-efficiency SMPS and freewheeling diode placement in compact PCB layouts.
Technical Context
The ES2LJ operates as a single-die, unidirectional silicon rectifier with glass-passivated junction, optimized for high-frequency operation up to several hundred kHz. Its 600 V VRRM, 35 ns trr, and low junction capacitance (20 pF at 4 V) enable minimal switching losses and reduced EMI in DC-DC converters and inverters.
Thermally, it delivers RθJL = 35°C/W and RθJA = 80°C/W on a 16 mm × 16 mm Cu pad, supporting continuous 2 A conduction at TJ ≤ 150°C. Reverse leakage remains ≤10 µA at 25°C and ≤350 µA at 125°C under rated VR.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 600 V - supports input rectification in 400 V AC line-derived SMPS and industrial DC bus applications |
| IF | 2 A continuous - rated for sustained output stage conduction in mid-power adapters and server VRMs |
| trr | 35 ns - enables efficient high-frequency switching (>200 kHz) with low reverse recovery loss |
| VF (max) | 1.70 V at 2 A, 25°C - determines conduction loss and thermal rise in freewheeling paths |
| RθJL | 35°C/W - allows direct thermal coupling to PCB copper, simplifying heatsinking in space-constrained designs |
| IFSM | 50 A (8.3 ms half-sine) - withstands inrush and transient overloads without bond wire failure |
| CJ | 20 pF at 1 MHz, 4 V - minimizes capacitive coupling and ringing in fast-switching node placements |
Pinout & Package
DO-214AA (SMB) surface-mount package with molded epoxy body, matte tin-plated leads, and cathode band polarity marking. Weight: 0.110 g. UL 94V-0 rated compound. JESD201 Class 2 whisker compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unmarked end) | Forward current entry point | Connected to lower-potential side of switching node (e.g., MOSFET source or transformer secondary center-tap) |
| Cathode (banded end) | Forward current exit / reverse blocking terminal | Connected to output rail or filter capacitor; withstands 600 V reverse bias during off-state |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Ensures long-term reliability and stable leakage performance across temperature and humidity stress |
| Super fast recovery (35 ns) | Reduces switching loss and EMI generation in high-frequency converters operating >100 kHz |
| MSL Level 1 (per J-STD-020) | Enables standard reflow assembly without baking or special handling prior to SMT placement |
| RoHS & halogen-free compliance | Meets IEC 61249-2-21 and global environmental directives for consumer and industrial end equipment |
| Low RθJL (35°C/W) | Permits direct thermal transfer to PCB copper, eliminating need for discrete heatsinks in 2 A applications |
Applications
| AC-DC Front-End Rectification | High-Frequency DC-DC Converter Output |
|---|---|
Use Scenario: Input bridge rectification in universal-input (90–264 V AC) offline SMPS for networking equipment. IC Role / Device Role / Timing Role: Primary rectifier converting AC line to high-voltage DC bus before PFC and main converter stages. Use Value: 600 V VRRM provides 2× safety margin over 400 V DC bus; 35 ns trr limits turn-off loss during line-frequency zero-crossings. | Use Scenario: Secondary-side synchronous rectification replacement in isolated flyback or forward converters for telecom power modules. IC Role / Device Role / Timing Role: Freewheeling diode conducting during MOSFET off-time to maintain inductor current continuity. Use Value: 1.70 V VF and 20 pF CJ reduce conduction loss and minimize voltage spike overshoot at switching node. |
| Industrial Inverter Freewheeling | Server VRM High-Side Clamp |
Use Scenario: Bidirectional energy recirculation path in motor drive inverter legs using IGBTs or SiC MOSFETs. IC Role / Device Role / Timing Role: Clamping diode absorbing inductive kickback during switching transitions. Use Value: 50 A IFSM handles repetitive surge currents; MSL Level 1 ensures robustness in automated manufacturing lines. | Use Scenario: High-side clamp diode in multiphase buck VRMs supplying CPU/GPU core voltage in datacenter servers. IC Role / Device Role / Timing Role: Fast-recovery path for transient current during phase interleaving and load-step events. Use Value: 35 ns trr and low CJ prevent shoot-through risk and support tight layout control near sensitive analog feedback nodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar super fast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay VS-ES2D60-M3/5BT | Same DO-214AA package, 600 V VRRM, but 1.55 V VF (typ) at 2 A - 0.15 V lower forward drop | Slightly lower conduction loss in thermally constrained 2 A continuous designs | Prefer when minimizing steady-state power loss outweighs cost or sourcing preference |
| ON Semiconductor MUR260G | DO-204AL (DO-41) through-hole package; identical 600 V/2 A rating but 50 ns trr and higher RθJA (100°C/W) | Not suitable for high-density SMT layouts; requires manual insertion or wave soldering | Select only if legacy through-hole compatibility or higher surge tolerance (60 A IFSM) is prioritized over footprint and speed |
Compared with VS-ES2D60-M3/5BT and MUR260G, the ES2LJ offers best-in-class 35 ns recovery speed in SMB package and MSL Level 1 handling - making it optimal for automated, high-frequency, space-limited SMPS where switching loss and assembly yield are critical.
Availability
ES2LJ is available at Aetrix Electronics and suitable for high-frequency rectification, freewheeling applications, and switching mode converters and inverters in computer and telecommunication systems requiring stable component supply and consistent parametric performance across production lots.
Supply support for ES2LJ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Taiwan Semiconductor Corporation (TSC) is a vertically integrated Taiwanese semiconductor manufacturer specializing in discrete power devices, including rectifiers, TVS diodes, and MOSFETs, with ISO/TS 16949 and IATF 16949 certification.
The ES2LJ belongs to TSC's ES2Lx super fast rectifier family, engineered specifically for high-efficiency, high-frequency switching power conversion in computing, telecom, and industrial power supplies where low trr and reliable SMT assembly are mandatory.
FAQ
What is the maximum junction temperature rating for the ES2LJ?
The ES2LJ has a maximum junction temperature (TJ) rating of +150°C, with operational storage temperature range from –55°C to +150°C. This rating enables reliable operation in enclosed, convection-cooled environments typical of telecom power modules and server VRMs, provided thermal design maintains junction temperature below this limit using the specified RθJL = 35°C/W path to PCB copper.
Does the ES2LJ have RoHS and halogen-free compliance?
Yes, the ES2LJ is RoHS compliant and halogen-free per IEC 61249-2-21. The molding compound meets UL 94V-0 flammability rating, and terminals are matte tin plated per J-STD-002 for solderability. These certifications are confirmed in Taiwan Semiconductor's official documentation for version C2102 and apply specifically to the ES2LJ ordering code.
What is the reverse recovery time (trr) specification for ES2LJ and under what test conditions?
The ES2LJ has a reverse recovery time (trr) of 35 ns maximum, measured under conditions of IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A. This value is verified per the manufacturer's electrical specifications table and distinguishes ES2LJ from lower-voltage variants (e.g., ES2LD: same trr spec) and slower alternatives like MUR260G (50 ns).
Is the ES2LJ suitable for automated SMT assembly without pre-baking?
Yes, the ES2LJ is rated MSL Level 1 per J-STD-020, meaning it can be stored indefinitely at ≤30°C/60% RH and placed directly into standard reflow profiles without baking. This eliminates moisture-related popcorning risk and streamlines high-volume manufacturing - a key advantage over MSL Level 3+ rectifiers requiring dry-pack or bake-before-use protocols.
How does the forward voltage (VF) of ES2LJ compare across temperature and load conditions?
The ES2LJ specifies VF ≤ 1.70 V at IF = 2 A and TJ = 25°C. As temperature rises to 125°C, VF decreases slightly due to silicon's negative temperature coefficient; actual curves show ~1.55 V at 125°C. At lower currents (e.g., 0.5 A), VF drops to ~1.25 V. These values are confirmed in the device's Fig.8 forward characteristics curve for ES2LJ.
ES2LJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-214AA, SMB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 600 V
- Current - Average Rectified (Io):
- 2A
- Voltage - Forward (Vf) (Max) @ If:
- 1.7 V @ 2 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 35 ns
- Current - Reverse Leakage @ Vr:
- 10 µA @ 600 V
- Capacitance @ Vr, F:
- 20pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
- Operating Temperature - Junction:
- -55°C ~ 150°C
ES2LJ FAQ
1.How can I place an order for ES2LJ through Aetrix?
Please submit a Request for Quotation (RFQ) for ES2LJ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ES2LJ reliable?
The price and inventory of ES2LJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ES2LJ is usually 5 days.
3.What payment methods are accepted for ES2LJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ES2LJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ES2LJ?
ES2LJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ES2LJ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ES2LJ?
For technical support, including ES2LJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ES2LJ requirements.
6.How does Aetrix verify that ES2LJ is sourced from the original manufacturer or authorized distributors?
All ES2LJ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ES2LJ meets industry standards.
7.What is the process for return or replacement of ES2LJ?
All ES2LJ units undergo pre-shipment inspection (PSI). If there is an issue with ES2LJ, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ES2LJ part is unused and in its original packaging.
Return procedure for ES2LJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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